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Finding the Fourth Proportional to 504,788.76, 696,601.62 and 275,348.16

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Solution

The fourth proportional to 504,788.76, 696,601.62 and 275,348.16 is: 379,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,788.76 : 696,601.62 = 275,348.16 : x
  2. Step 2: Convert to fraction form
    504,788.76/696,601.62 = 275,348.16/x
  3. Step 3: Cross multiply
    504,788.76x = 696,601.62 × 275,348.16
  4. Step 4: Simplify right side
    504,788.76x = 191,807,974,320.02
  5. Step 5: Solve for x
    x = 191,807,974,320.02/504,788.76
  6. Step 6: Final answer
    x = 379,976.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.